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Finding the Fourth Proportional to 615.02, 842.85 and 594.23

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Solution

The fourth proportional to 615.02, 842.85 and 594.23 is: 814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.02 : 842.85 = 594.23 : x
  2. Step 2: Convert to fraction form
    615.02/842.85 = 594.23/x
  3. Step 3: Cross multiply
    615.02x = 842.85 × 594.23
  4. Step 4: Simplify right side
    615.02x = 500,842.54
  5. Step 5: Solve for x
    x = 500,842.54/615.02
  6. Step 6: Final answer
    x = 814.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.