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Finding the Fourth Proportional to 560.30, 773.31 and 336.25

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Solution

The fourth proportional to 560.30, 773.31 and 336.25 is: 464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.30 : 773.31 = 336.25 : x
  2. Step 2: Convert to fraction form
    560.30/773.31 = 336.25/x
  3. Step 3: Cross multiply
    560.30x = 773.31 × 336.25
  4. Step 4: Simplify right side
    560.30x = 260,026.30
  5. Step 5: Solve for x
    x = 260,026.30/560.30
  6. Step 6: Final answer
    x = 464.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.