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Finding the Fourth Proportional to 615.98, 920.36 and 594.45

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Solution

The fourth proportional to 615.98, 920.36 and 594.45 is: 888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.98 : 920.36 = 594.45 : x
  2. Step 2: Convert to fraction form
    615.98/920.36 = 594.45/x
  3. Step 3: Cross multiply
    615.98x = 920.36 × 594.45
  4. Step 4: Simplify right side
    615.98x = 547,103.40
  5. Step 5: Solve for x
    x = 547,103.40/615.98
  6. Step 6: Final answer
    x = 888.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.