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Finding the Fourth Proportional to 557.01, 768.12 and 370.51

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Solution

The fourth proportional to 557.01, 768.12 and 370.51 is: 510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.01 : 768.12 = 370.51 : x
  2. Step 2: Convert to fraction form
    557.01/768.12 = 370.51/x
  3. Step 3: Cross multiply
    557.01x = 768.12 × 370.51
  4. Step 4: Simplify right side
    557.01x = 284,592.83
  5. Step 5: Solve for x
    x = 284,592.83/557.01
  6. Step 6: Final answer
    x = 510.93

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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.