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Finding the Fourth Proportional to 376.02, 515.66 and 373.14

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Solution

The fourth proportional to 376.02, 515.66 and 373.14 is: 511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.02 : 515.66 = 373.14 : x
  2. Step 2: Convert to fraction form
    376.02/515.66 = 373.14/x
  3. Step 3: Cross multiply
    376.02x = 515.66 × 373.14
  4. Step 4: Simplify right side
    376.02x = 192,411.51
  5. Step 5: Solve for x
    x = 192,411.51/376.02
  6. Step 6: Final answer
    x = 511.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.