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Finding the Fourth Proportional to 735.49, 1,013.94 and 525.59

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Solution

The fourth proportional to 735.49, 1,013.94 and 525.59 is: 724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.49 : 1,013.94 = 525.59 : x
  2. Step 2: Convert to fraction form
    735.49/1,013.94 = 525.59/x
  3. Step 3: Cross multiply
    735.49x = 1,013.94 × 525.59
  4. Step 4: Simplify right side
    735.49x = 532,911.65
  5. Step 5: Solve for x
    x = 532,911.65/735.49
  6. Step 6: Final answer
    x = 724.57

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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.