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Finding the Fourth Proportional to 530.87, 732.59 and 297.99

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Solution

The fourth proportional to 530.87, 732.59 and 297.99 is: 411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.87 : 732.59 = 297.99 : x
  2. Step 2: Convert to fraction form
    530.87/732.59 = 297.99/x
  3. Step 3: Cross multiply
    530.87x = 732.59 × 297.99
  4. Step 4: Simplify right side
    530.87x = 218,304.12
  5. Step 5: Solve for x
    x = 218,304.12/530.87
  6. Step 6: Final answer
    x = 411.22

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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.