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Finding the Fourth Proportional to 530.50, 732.10 and 297.62

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Solution

The fourth proportional to 530.50, 732.10 and 297.62 is: 410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.50 : 732.10 = 297.62 : x
  2. Step 2: Convert to fraction form
    530.50/732.10 = 297.62/x
  3. Step 3: Cross multiply
    530.50x = 732.10 × 297.62
  4. Step 4: Simplify right side
    530.50x = 217,887.60
  5. Step 5: Solve for x
    x = 217,887.60/530.50
  6. Step 6: Final answer
    x = 410.72

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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.