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Finding the Fourth Proportional to 373.10, 515.01 and 262.67

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Solution

The fourth proportional to 373.10, 515.01 and 262.67 is: 362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.10 : 515.01 = 262.67 : x
  2. Step 2: Convert to fraction form
    373.10/515.01 = 262.67/x
  3. Step 3: Cross multiply
    373.10x = 515.01 × 262.67
  4. Step 4: Simplify right side
    373.10x = 135,275.10
  5. Step 5: Solve for x
    x = 135,275.10/373.10
  6. Step 6: Final answer
    x = 362.58

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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.