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Finding the Fourth Proportional to 376.58, 564.78 and 358.06

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Solution

The fourth proportional to 376.58, 564.78 and 358.06 is: 537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.58 : 564.78 = 358.06 : x
  2. Step 2: Convert to fraction form
    376.58/564.78 = 358.06/x
  3. Step 3: Cross multiply
    376.58x = 564.78 × 358.06
  4. Step 4: Simplify right side
    376.58x = 202,225.13
  5. Step 5: Solve for x
    x = 202,225.13/376.58
  6. Step 6: Final answer
    x = 537.00

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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.