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Finding the Fourth Proportional to 537.52, 741.95 and 313.53

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Solution

The fourth proportional to 537.52, 741.95 and 313.53 is: 432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.52 : 741.95 = 313.53 : x
  2. Step 2: Convert to fraction form
    537.52/741.95 = 313.53/x
  3. Step 3: Cross multiply
    537.52x = 741.95 × 313.53
  4. Step 4: Simplify right side
    537.52x = 232,623.58
  5. Step 5: Solve for x
    x = 232,623.58/537.52
  6. Step 6: Final answer
    x = 432.77

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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.