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Finding the Fourth Proportional to 530.39, 731.93 and 297.51

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Solution

The fourth proportional to 530.39, 731.93 and 297.51 is: 410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.39 : 731.93 = 297.51 : x
  2. Step 2: Convert to fraction form
    530.39/731.93 = 297.51/x
  3. Step 3: Cross multiply
    530.39x = 731.93 × 297.51
  4. Step 4: Simplify right side
    530.39x = 217,757.24
  5. Step 5: Solve for x
    x = 217,757.24/530.39
  6. Step 6: Final answer
    x = 410.56

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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.