Home / 335-462.34-217.02

Finding the Fourth Proportional to 335, 462.34 and 217.02

Calculator

Solution

The fourth proportional to 335, 462.34 and 217.02 is: 299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335 : 462.34 = 217.02 : x
  2. Step 2: Convert to fraction form
    335/462.34 = 217.02/x
  3. Step 3: Cross multiply
    335x = 462.34 × 217.02
  4. Step 4: Simplify right side
    335x = 100,337.03
  5. Step 5: Solve for x
    x = 100,337.03/335
  6. Step 6: Final answer
    x = 299.51

Related Problems

Find fourth proportional to 167.50, 231.17 and 108.51
Half scale
Find fourth proportional to 670, 924.68 and 434.04
Double scale
Find fourth proportional to 336, 463.72 and 218.02
Similar ratio
Find fourth proportional to 502.50, 693.51 and 325.53
1.5x scale

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.