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Finding the Fourth Proportional to 702.55, 1,050.58 and 601.12

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Solution

The fourth proportional to 702.55, 1,050.58 and 601.12 is: 898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.55 : 1,050.58 = 601.12 : x
  2. Step 2: Convert to fraction form
    702.55/1,050.58 = 601.12/x
  3. Step 3: Cross multiply
    702.55x = 1,050.58 × 601.12
  4. Step 4: Simplify right side
    702.55x = 631,524.65
  5. Step 5: Solve for x
    x = 631,524.65/702.55
  6. Step 6: Final answer
    x = 898.90

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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.