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Finding the Fourth Proportional to 601.13, 901.65 and 491.29

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Solution

The fourth proportional to 601.13, 901.65 and 491.29 is: 736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.13 : 901.65 = 491.29 : x
  2. Step 2: Convert to fraction form
    601.13/901.65 = 491.29/x
  3. Step 3: Cross multiply
    601.13x = 901.65 × 491.29
  4. Step 4: Simplify right side
    601.13x = 442,971.63
  5. Step 5: Solve for x
    x = 442,971.63/601.13
  6. Step 6: Final answer
    x = 736.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.