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Finding the Fourth Proportional to 717.04, 1,075.80 and 370.52

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Solution

The fourth proportional to 717.04, 1,075.80 and 370.52 is: 555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.04 : 1,075.80 = 370.52 : x
  2. Step 2: Convert to fraction form
    717.04/1,075.80 = 370.52/x
  3. Step 3: Cross multiply
    717.04x = 1,075.80 × 370.52
  4. Step 4: Simplify right side
    717.04x = 398,605.42
  5. Step 5: Solve for x
    x = 398,605.42/717.04
  6. Step 6: Final answer
    x = 555.90

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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.