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Finding the Fourth Proportional to 353.18, 526.32 and 341.57

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Solution

The fourth proportional to 353.18, 526.32 and 341.57 is: 509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.18 : 526.32 = 341.57 : x
  2. Step 2: Convert to fraction form
    353.18/526.32 = 341.57/x
  3. Step 3: Cross multiply
    353.18x = 526.32 × 341.57
  4. Step 4: Simplify right side
    353.18x = 179,773.41
  5. Step 5: Solve for x
    x = 179,773.41/353.18
  6. Step 6: Final answer
    x = 509.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.