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Finding the Fourth Proportional to 531.74, 733.75 and 295.65

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Solution

The fourth proportional to 531.74, 733.75 and 295.65 is: 407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.74 : 733.75 = 295.65 : x
  2. Step 2: Convert to fraction form
    531.74/733.75 = 295.65/x
  3. Step 3: Cross multiply
    531.74x = 733.75 × 295.65
  4. Step 4: Simplify right side
    531.74x = 216,935.02
  5. Step 5: Solve for x
    x = 216,935.02/531.74
  6. Step 6: Final answer
    x = 407.98

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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.