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Finding the Fourth Proportional to 374.58, 558.63 and 343.08

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Solution

The fourth proportional to 374.58, 558.63 and 343.08 is: 511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.58 : 558.63 = 343.08 : x
  2. Step 2: Convert to fraction form
    374.58/558.63 = 343.08/x
  3. Step 3: Cross multiply
    374.58x = 558.63 × 343.08
  4. Step 4: Simplify right side
    374.58x = 191,654.78
  5. Step 5: Solve for x
    x = 191,654.78/374.58
  6. Step 6: Final answer
    x = 511.65

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.