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Finding the Fourth Proportional to 528.76, 730.08 and 466.12

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Solution

The fourth proportional to 528.76, 730.08 and 466.12 is: 643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.76 : 730.08 = 466.12 : x
  2. Step 2: Convert to fraction form
    528.76/730.08 = 466.12/x
  3. Step 3: Cross multiply
    528.76x = 730.08 × 466.12
  4. Step 4: Simplify right side
    528.76x = 340,304.89
  5. Step 5: Solve for x
    x = 340,304.89/528.76
  6. Step 6: Final answer
    x = 643.59

Related Problems

Find fourth proportional to 264.38, 365.04 and 233.06
Half scale
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Double scale
Find fourth proportional to 529.76, 731.46 and 467.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.