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Finding the Fourth Proportional to 563.08, 844.80 and 346.78

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Solution

The fourth proportional to 563.08, 844.80 and 346.78 is: 520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.08 : 844.80 = 346.78 : x
  2. Step 2: Convert to fraction form
    563.08/844.80 = 346.78/x
  3. Step 3: Cross multiply
    563.08x = 844.80 × 346.78
  4. Step 4: Simplify right side
    563.08x = 292,959.74
  5. Step 5: Solve for x
    x = 292,959.74/563.08
  6. Step 6: Final answer
    x = 520.28

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1.5x scale

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.