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Finding the Fourth Proportional to 466.76, 643.75 and 333.72

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Solution

The fourth proportional to 466.76, 643.75 and 333.72 is: 460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.76 : 643.75 = 333.72 : x
  2. Step 2: Convert to fraction form
    466.76/643.75 = 333.72/x
  3. Step 3: Cross multiply
    466.76x = 643.75 × 333.72
  4. Step 4: Simplify right side
    466.76x = 214,831.42
  5. Step 5: Solve for x
    x = 214,831.42/466.76
  6. Step 6: Final answer
    x = 460.26

Related Problems

Find fourth proportional to 233.38, 321.87 and 166.86
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Double scale
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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.