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Finding the Fourth Proportional to 369.32, 508.29 and 302.36

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Solution

The fourth proportional to 369.32, 508.29 and 302.36 is: 416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.32 : 508.29 = 302.36 : x
  2. Step 2: Convert to fraction form
    369.32/508.29 = 302.36/x
  3. Step 3: Cross multiply
    369.32x = 508.29 × 302.36
  4. Step 4: Simplify right side
    369.32x = 153,686.56
  5. Step 5: Solve for x
    x = 153,686.56/369.32
  6. Step 6: Final answer
    x = 416.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.