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Finding the Fourth Proportional to 370.04, 510.77 and 259.55

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Solution

The fourth proportional to 370.04, 510.77 and 259.55 is: 358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.04 : 510.77 = 259.55 : x
  2. Step 2: Convert to fraction form
    370.04/510.77 = 259.55/x
  3. Step 3: Cross multiply
    370.04x = 510.77 × 259.55
  4. Step 4: Simplify right side
    370.04x = 132,570.35
  5. Step 5: Solve for x
    x = 132,570.35/370.04
  6. Step 6: Final answer
    x = 358.26

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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.