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Finding the Fourth Proportional to 608.58, 841.32 and 510.30

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Solution

The fourth proportional to 608.58, 841.32 and 510.30 is: 705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.58 : 841.32 = 510.30 : x
  2. Step 2: Convert to fraction form
    608.58/841.32 = 510.30/x
  3. Step 3: Cross multiply
    608.58x = 841.32 × 510.30
  4. Step 4: Simplify right side
    608.58x = 429,325.60
  5. Step 5: Solve for x
    x = 429,325.60/608.58
  6. Step 6: Final answer
    x = 705.45

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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.