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Finding the Fourth Proportional to 560.08, 838.80 and 364.96

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Solution

The fourth proportional to 560.08, 838.80 and 364.96 is: 546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.08 : 838.80 = 364.96 : x
  2. Step 2: Convert to fraction form
    560.08/838.80 = 364.96/x
  3. Step 3: Cross multiply
    560.08x = 838.80 × 364.96
  4. Step 4: Simplify right side
    560.08x = 306,128.45
  5. Step 5: Solve for x
    x = 306,128.45/560.08
  6. Step 6: Final answer
    x = 546.58

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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.