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Finding the Fourth Proportional to 501.41, 750.40 and 346.30

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Solution

The fourth proportional to 501.41, 750.40 and 346.30 is: 518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.41 : 750.40 = 346.30 : x
  2. Step 2: Convert to fraction form
    501.41/750.40 = 346.30/x
  3. Step 3: Cross multiply
    501.41x = 750.40 × 346.30
  4. Step 4: Simplify right side
    501.41x = 259,860.78
  5. Step 5: Solve for x
    x = 259,860.78/501.41
  6. Step 6: Final answer
    x = 518.26

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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.