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Finding the Fourth Proportional to 595.55, 891.08 and 357.20

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Solution

The fourth proportional to 595.55, 891.08 and 357.20 is: 534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.55 : 891.08 = 357.20 : x
  2. Step 2: Convert to fraction form
    595.55/891.08 = 357.20/x
  3. Step 3: Cross multiply
    595.55x = 891.08 × 357.20
  4. Step 4: Simplify right side
    595.55x = 318,287.53
  5. Step 5: Solve for x
    x = 318,287.53/595.55
  6. Step 6: Final answer
    x = 534.45

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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.