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Finding the Fourth Proportional to 370.60, 555.93 and 346.60

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Solution

The fourth proportional to 370.60, 555.93 and 346.60 is: 519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.60 : 555.93 = 346.60 : x
  2. Step 2: Convert to fraction form
    370.60/555.93 = 346.60/x
  3. Step 3: Cross multiply
    370.60x = 555.93 × 346.60
  4. Step 4: Simplify right side
    370.60x = 192,685.34
  5. Step 5: Solve for x
    x = 192,685.34/370.60
  6. Step 6: Final answer
    x = 519.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.