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Finding the Fourth Proportional to 615.24, 854.82 and 607.50

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Solution

The fourth proportional to 615.24, 854.82 and 607.50 is: 844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.24 : 854.82 = 607.50 : x
  2. Step 2: Convert to fraction form
    615.24/854.82 = 607.50/x
  3. Step 3: Cross multiply
    615.24x = 854.82 × 607.50
  4. Step 4: Simplify right side
    615.24x = 519,303.15
  5. Step 5: Solve for x
    x = 519,303.15/615.24
  6. Step 6: Final answer
    x = 844.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.