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Finding the Fourth Proportional to 530.19, 731.23 and 333.36

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Solution

The fourth proportional to 530.19, 731.23 and 333.36 is: 459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.19 : 731.23 = 333.36 : x
  2. Step 2: Convert to fraction form
    530.19/731.23 = 333.36/x
  3. Step 3: Cross multiply
    530.19x = 731.23 × 333.36
  4. Step 4: Simplify right side
    530.19x = 243,762.00
  5. Step 5: Solve for x
    x = 243,762.00/530.19
  6. Step 6: Final answer
    x = 459.76

Related Problems

Find fourth proportional to 265.10, 365.61 and 166.68
Half scale
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Double scale
Find fourth proportional to 531.19, 732.61 and 334.36
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.