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Finding the Fourth Proportional to 374.58, 513.18 and 373.50

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Solution

The fourth proportional to 374.58, 513.18 and 373.50 is: 511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.58 : 513.18 = 373.50 : x
  2. Step 2: Convert to fraction form
    374.58/513.18 = 373.50/x
  3. Step 3: Cross multiply
    374.58x = 513.18 × 373.50
  4. Step 4: Simplify right side
    374.58x = 191,672.73
  5. Step 5: Solve for x
    x = 191,672.73/374.58
  6. Step 6: Final answer
    x = 511.70

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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.