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Finding the Fourth Proportional to 373.82, 563.72 and 368.69

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Solution

The fourth proportional to 373.82, 563.72 and 368.69 is: 555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.82 : 563.72 = 368.69 : x
  2. Step 2: Convert to fraction form
    373.82/563.72 = 368.69/x
  3. Step 3: Cross multiply
    373.82x = 563.72 × 368.69
  4. Step 4: Simplify right side
    373.82x = 207,840.26
  5. Step 5: Solve for x
    x = 207,840.26/373.82
  6. Step 6: Final answer
    x = 555.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.